CamperHardlyKnowHer

Newmar Kountry Star 3721

Class Abuilt 2005–05Better build tierScarce on the used market
WHAT ONE COSTS
price not published

The maker never published an MSRP for this floorplan. Unknown is not cheap — treat any asking price against comparable models, not against zero.

THE SPECS
Length37.2 ft
Height (incl. A/C)12.1 ft
Width8.5 ft
Interior height6.7 ft
GVWR29,500 lb
Dry weightnot published
Sleeps6
Fresh water105 gal
Grey water65 gal
Black water45 gal
Fuel100 gal
Engine / chassisCummins ISB 330 hp diesel pusher · Freightliner

A missing row means the maker never published that figure — unknown, not zero.

WHERE PEOPLE SLEEP
  • Rear bed(Permanent)
  • Sofa(Convertible)
  • Dinette(Convertible)
HOW IT'S BUILT — 4/5
WallsLaminated fiberglass
FrameSteel
RoofWalk-on
UnderbellyEnclosed

Newmar (Better tier): Newmar

YEAR BY YEAR — WHAT CHANGED
  • 2005Introduced
FINDING ONE

Scarce — months of watching; be ready to fly and drive it home. Why: only one model year; 21 years out of production. Estimated from build volume and production span — not a count of live listings.

THE READ

Sibling of the 3720 with a different living-area arrangement.

OTHER KOUNTRY STAR FLOORPLANS
Is the 3721 your #1 — or just a spec sheet?

These are the facts. Whether it beats the other six thousand rigs for you depends on what you care about — set your priorities as sliders and watch the whole market re-rank around them. Nothing gets hidden, everything gets explained.

Rank it against your setup →

Data compiled from dealer and aggregator listings, retrieved 2026-07.